/***************************************************************************** * GdipGetRegionData [GDIPLUS.@] * * Returns the header, followed by combining ops and region elements. * * PARAMS * region [I] region to retrieve from * buffer [O] buffer to hold the resulting data * size [I] size of the buffer * needed [O] (optional) how much data was written * * RETURNS * SUCCESS: Ok * FAILURE: InvalidParameter * * NOTES * The header contains the size, a checksum, a version string, and the number * of children. The size does not count itself or the checksum. * Version is always something like 0xdbc01001 or 0xdbc01002 * * An element is a RECT, or PATH; Combining ops are stored as their * CombineMode value. Special regions (infinite, empty) emit just their * op-code; GpRectFs emit their code followed by their points; GpPaths emit * their code followed by a second header for the path followed by the actual * path data. Followed by the flags for each point. The pathheader contains * the size of the data to follow, a version number again, followed by a count * of how many points, and any special flags which may apply. 0x4000 means its * a path of shorts instead of FLOAT. * * Combining Ops are stored in reverse order from when they were constructed; * the output is a tree where the left side combining area is always taken * first. */ GpStatus WINGDIPAPI GdipGetRegionData(GpRegion *region, BYTE *buffer, UINT size, UINT *needed) { struct _region_header { DWORD size; DWORD checksum; DWORD magic; DWORD num_children; } *region_header; INT filled = 0; UINT required; GpStatus status; TRACE("%p, %p, %d, %p\n", region, buffer, size, needed); if (!region || !buffer || !size) return InvalidParameter; status = GdipGetRegionDataSize(region, &required); if (status != Ok) return status; if (size < required) { if (needed) *needed = size; return InsufficientBuffer; } region_header = (struct _region_header *)buffer; region_header->size = sizeheader_size + get_element_size(®ion->node); region_header->checksum = 0; region_header->magic = VERSION_MAGIC; region_header->num_children = region->num_children; filled += 4; /* With few exceptions, everything written is DWORD aligned, * so use that as our base */ write_element(®ion->node, (DWORD*)buffer, &filled); if (needed) *needed = filled * sizeof(DWORD); return Ok; }
static void test_fromhrgn(void) { GpStatus status; GpRegion *region; HRGN hrgn; UINT needed; DWORD buf[220]; RegionDataPoint *point; /* NULL */ status = GdipCreateRegionHrgn(NULL, NULL); expect(InvalidParameter, status); status = GdipCreateRegionHrgn(NULL, ®ion); expect(InvalidParameter, status); status = GdipCreateRegionHrgn((HRGN)0xdeadbeef, ®ion); todo_wine expect(InvalidParameter, status); /* rectangle */ hrgn = CreateRectRgn(0, 0, 100, 10); status = GdipCreateRegionHrgn(hrgn, ®ion); todo_wine expect(Ok, status); status = GdipGetRegionDataSize(region, &needed); todo_wine{ expect(Ok, status); expect(56, needed); } status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); todo_wine expect(Ok, status); if(status == Ok){ todo_wine{ expect(56, needed); expect_dword(buf, 48); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_PATH); expect_dword(buf + 5, 0x00000020); expect_magic((DWORD*)(buf + 6)); expect_dword(buf + 7, 0x00000004); expect_dword(buf + 8, 0x00006000); /* ?? */ } point = (RegionDataPoint*)buf + 9; expect(0, point[0].X); expect(0, point[0].Y); todo_wine{ expect(100,point[1].X); /* buf + 10 */ expect(0, point[1].Y); expect(100,point[2].X); /* buf + 11 */ expect(10, point[2].Y); } expect(0, point[3].X); /* buf + 12 */ todo_wine{ expect(10, point[3].Y); expect_dword(buf + 13, 0x81010100); /* closed */ } }
static void test_getregiondata(void) { GpStatus status; GpRegion *region, *region2; RegionDataPoint *point; UINT needed; DWORD buf[100]; GpRect rect; GpPath *path; memset(buf, 0xee, sizeof(buf)); status = GdipCreateRegion(®ion); ok(status == Ok, "status %08x\n", status); status = GdipGetRegionDataSize(region, &needed); ok(status == Ok, "status %08x\n", status); expect(20, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); ok(status == Ok, "status %08x\n", status); expect(20, needed); expect_dword(buf, 12); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_INFINITE_RECT); status = GdipSetEmpty(region); ok(status == Ok, "status %08x\n", status); status = GdipGetRegionDataSize(region, &needed); ok(status == Ok, "status %08x\n", status); expect(20, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); ok(status == Ok, "status %08x\n", status); expect(20, needed); expect_dword(buf, 12); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_EMPTY_RECT); status = GdipSetInfinite(region); ok(status == Ok, "status %08x\n", status); status = GdipGetRegionDataSize(region, &needed); ok(status == Ok, "status %08x\n", status); expect(20, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); ok(status == Ok, "status %08x\n", status); expect(20, needed); expect_dword(buf, 12); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_INFINITE_RECT); status = GdipDeleteRegion(region); ok(status == Ok, "status %08x\n", status); rect.X = 10; rect.Y = 20; rect.Width = 100; rect.Height = 200; status = GdipCreateRegionRectI(&rect, ®ion); ok(status == Ok, "status %08x\n", status); status = GdipGetRegionDataSize(region, &needed); ok(status == Ok, "status %08x\n", status); expect(36, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); ok(status == Ok, "status %08x\n", status); expect(36, needed); expect_dword(buf, 28); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_RECT); expect_float(buf + 5, 10.0); expect_float(buf + 6, 20.0); expect_float(buf + 7, 100.0); expect_float(buf + 8, 200.0); rect.X = 50; rect.Y = 30; rect.Width = 10; rect.Height = 20; status = GdipCombineRegionRectI(region, &rect, CombineModeIntersect); ok(status == Ok, "status %08x\n", status); rect.X = 100; rect.Y = 300; rect.Width = 30; rect.Height = 50; status = GdipCombineRegionRectI(region, &rect, CombineModeXor); ok(status == Ok, "status %08x\n", status); rect.X = 200; rect.Y = 100; rect.Width = 133; rect.Height = 266; status = GdipCreateRegionRectI(&rect, ®ion2); ok(status == Ok, "status %08x\n", status); rect.X = 20; rect.Y = 10; rect.Width = 40; rect.Height = 66; status = GdipCombineRegionRectI(region2, &rect, CombineModeUnion); ok(status == Ok, "status %08x\n", status); status = GdipCombineRegionRegion(region, region2, CombineModeComplement); ok(status == Ok, "status %08x\n", status); rect.X = 400; rect.Y = 500; rect.Width = 22; rect.Height = 55; status = GdipCombineRegionRectI(region, &rect, CombineModeExclude); ok(status == Ok, "status %08x\n", status); status = GdipGetRegionDataSize(region, &needed); ok(status == Ok, "status %08x\n", status); expect(156, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); ok(status == Ok, "status %08x\n", status); expect(156, needed); expect_dword(buf, 148); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 10); expect_dword(buf + 4, CombineModeExclude); expect_dword(buf + 5, CombineModeComplement); expect_dword(buf + 6, CombineModeXor); expect_dword(buf + 7, CombineModeIntersect); expect_dword(buf + 8, RGNDATA_RECT); expect_float(buf + 9, 10.0); expect_float(buf + 10, 20.0); expect_float(buf + 11, 100.0); expect_float(buf + 12, 200.0); expect_dword(buf + 13, RGNDATA_RECT); expect_float(buf + 14, 50.0); expect_float(buf + 15, 30.0); expect_float(buf + 16, 10.0); expect_float(buf + 17, 20.0); expect_dword(buf + 18, RGNDATA_RECT); expect_float(buf + 19, 100.0); expect_float(buf + 20, 300.0); expect_float(buf + 21, 30.0); expect_float(buf + 22, 50.0); expect_dword(buf + 23, CombineModeUnion); expect_dword(buf + 24, RGNDATA_RECT); expect_float(buf + 25, 200.0); expect_float(buf + 26, 100.0); expect_float(buf + 27, 133.0); expect_float(buf + 28, 266.0); expect_dword(buf + 29, RGNDATA_RECT); expect_float(buf + 30, 20.0); expect_float(buf + 31, 10.0); expect_float(buf + 32, 40.0); expect_float(buf + 33, 66.0); expect_dword(buf + 34, RGNDATA_RECT); expect_float(buf + 35, 400.0); expect_float(buf + 36, 500.0); expect_float(buf + 37, 22.0); expect_float(buf + 38, 55.0); status = GdipDeleteRegion(region2); ok(status == Ok, "status %08x\n", status); status = GdipDeleteRegion(region); ok(status == Ok, "status %08x\n", status); /* Try some paths */ status = GdipCreatePath(FillModeAlternate, &path); ok(status == Ok, "status %08x\n", status); GdipAddPathRectangle(path, 12.5, 13.0, 14.0, 15.0); status = GdipCreateRegionPath(path, ®ion); ok(status == Ok, "status %08x\n", status); status = GdipGetRegionDataSize(region, &needed); ok(status == Ok, "status %08x\n", status); expect(72, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); ok(status == Ok, "status %08x\n", status); expect(72, needed); expect_dword(buf, 64); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_PATH); expect_dword(buf + 5, 0x00000030); expect_magic((DWORD*)(buf + 6)); expect_dword(buf + 7, 0x00000004); expect_dword(buf + 8, 0x00000000); expect_float(buf + 9, 12.5); expect_float(buf + 10, 13.0); expect_float(buf + 11, 26.5); expect_float(buf + 12, 13.0); expect_float(buf + 13, 26.5); expect_float(buf + 14, 28.0); expect_float(buf + 15, 12.5); expect_float(buf + 16, 28.0); expect_dword(buf + 17, 0x81010100); rect.X = 50; rect.Y = 30; rect.Width = 10; rect.Height = 20; status = GdipCombineRegionRectI(region, &rect, CombineModeIntersect); ok(status == Ok, "status %08x\n", status); status = GdipGetRegionDataSize(region, &needed); ok(status == Ok, "status %08x\n", status); expect(96, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); ok(status == Ok, "status %08x\n", status); expect(96, needed); expect_dword(buf, 88); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 2); expect_dword(buf + 4, CombineModeIntersect); expect_dword(buf + 5, RGNDATA_PATH); expect_dword(buf + 6, 0x00000030); expect_magic((DWORD*)(buf + 7)); expect_dword(buf + 8, 0x00000004); expect_dword(buf + 9, 0x00000000); expect_float(buf + 10, 12.5); expect_float(buf + 11, 13.0); expect_float(buf + 12, 26.5); expect_float(buf + 13, 13.0); expect_float(buf + 14, 26.5); expect_float(buf + 15, 28.0); expect_float(buf + 16, 12.5); expect_float(buf + 17, 28.0); expect_dword(buf + 18, 0x81010100); expect_dword(buf + 19, RGNDATA_RECT); expect_float(buf + 20, 50.0); expect_float(buf + 21, 30.0); expect_float(buf + 22, 10.0); expect_float(buf + 23, 20.0); status = GdipDeleteRegion(region); ok(status == Ok, "status %08x\n", status); status = GdipDeletePath(path); ok(status == Ok, "status %08x\n", status); /* Test an empty path */ status = GdipCreatePath(FillModeAlternate, &path); expect(Ok, status); status = GdipCreateRegionPath(path, ®ion); expect(Ok, status); status = GdipGetRegionDataSize(region, &needed); expect(Ok, status); expect(36, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); expect(Ok, status); expect(36, needed); expect_dword(buf, 28); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_PATH); /* Second signature for pathdata */ expect_dword(buf + 5, 12); expect_magic((DWORD*)(buf + 6)); expect_dword(buf + 7, 0); expect_dword(buf + 8, 0x00004000); status = GdipDeleteRegion(region); expect(Ok, status); /* Test a simple triangle of INTs */ status = GdipAddPathLine(path, 5, 6, 7, 8); expect(Ok, status); status = GdipAddPathLine(path, 8, 1, 5, 6); expect(Ok, status); status = GdipClosePathFigure(path); expect(Ok, status); status = GdipCreateRegionPath(path, ®ion); expect(Ok, status); status = GdipGetRegionDataSize(region, &needed); expect(Ok, status); expect(56, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); expect(Ok, status); expect(56, needed); expect_dword(buf, 48); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3 , 0); expect_dword(buf + 4 , RGNDATA_PATH); expect_dword(buf + 5, 32); expect_magic((DWORD*)(buf + 6)); expect_dword(buf + 7, 4); expect_dword(buf + 8, 0x00004000); /* ?? */ point = (RegionDataPoint*)buf + 9; expect(5, point[0].X); expect(6, point[0].Y); expect(7, point[1].X); /* buf + 10 */ expect(8, point[1].Y); expect(8, point[2].X); /* buf + 11 */ expect(1, point[2].Y); expect(5, point[3].X); /* buf + 12 */ expect(6, point[3].Y); expect_dword(buf + 13, 0x81010100); /* 0x01010100 if we don't close the path */ status = GdipDeletePath(path); expect(Ok, status); status = GdipDeleteRegion(region); expect(Ok, status); /* Test a floating-point triangle */ status = GdipCreatePath(FillModeAlternate, &path); expect(Ok, status); status = GdipAddPathLine(path, 5.6, 6.2, 7.2, 8.9); expect(Ok, status); status = GdipAddPathLine(path, 8.1, 1.6, 5.6, 6.2); expect(Ok, status); status = GdipCreateRegionPath(path, ®ion); expect(Ok, status); status = GdipGetRegionDataSize(region, &needed); expect(Ok, status); expect(72, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); expect(Ok, status); expect(72, needed); expect_dword(buf, 64); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_PATH); expect_dword(buf + 5, 48); expect_magic((DWORD*)(buf + 6)); expect_dword(buf + 7, 4); expect_dword(buf + 8, 0); expect_float(buf + 9, 5.6); expect_float(buf + 10, 6.2); expect_float(buf + 11, 7.2); expect_float(buf + 12, 8.9); expect_float(buf + 13, 8.1); expect_float(buf + 14, 1.6); expect_float(buf + 15, 5.6); expect_float(buf + 16, 6.2); status = GdipDeletePath(path); expect(Ok, status); status = GdipDeleteRegion(region); expect(Ok, status); /* Test for a path with > 4 points, and CombineRegionPath */ GdipCreatePath(FillModeAlternate, &path); status = GdipAddPathLine(path, 50, 70.2, 60, 102.8); expect(Ok, status); status = GdipAddPathLine(path, 55.4, 122.4, 40.4, 60.2); expect(Ok, status); status = GdipAddPathLine(path, 45.6, 20.2, 50, 70.2); expect(Ok, status); rect.X = 20; rect.Y = 25; rect.Width = 60; rect.Height = 120; status = GdipCreateRegionRectI(&rect, ®ion); expect(Ok, status); status = GdipCombineRegionPath(region, path, CombineModeUnion); expect(Ok, status); status = GdipGetRegionDataSize(region, &needed); expect(Ok, status); expect(116, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); expect(Ok, status); expect(116, needed); expect_dword(buf, 108); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 2); expect_dword(buf + 4, CombineModeUnion); expect_dword(buf + 5, RGNDATA_RECT); expect_float(buf + 6, 20); expect_float(buf + 7, 25); expect_float(buf + 8, 60); expect_float(buf + 9, 120); expect_dword(buf + 10, RGNDATA_PATH); expect_dword(buf + 11, 68); expect_magic((DWORD*)(buf + 12)); expect_dword(buf + 13, 6); expect_float(buf + 14, 0x0); expect_float(buf + 15, 50); expect_float(buf + 16, 70.2); expect_float(buf + 17, 60); expect_float(buf + 18, 102.8); expect_float(buf + 19, 55.4); expect_float(buf + 20, 122.4); expect_float(buf + 21, 40.4); expect_float(buf + 22, 60.2); expect_float(buf + 23, 45.6); expect_float(buf + 24, 20.2); expect_float(buf + 25, 50); expect_float(buf + 26, 70.2); expect_dword(buf + 27, 0x01010100); expect_dword(buf + 28, 0x00000101); status = GdipDeletePath(path); expect(Ok, status); status = GdipDeleteRegion(region); expect(Ok, status); }
static void test_combinereplace(void) { GpStatus status; GpRegion *region, *region2; GpPath *path; GpRectF rectf; UINT needed; DWORD buf[50]; rectf.X = rectf.Y = 0.0; rectf.Width = rectf.Height = 100.0; status = GdipCreateRegionRect(&rectf, ®ion); expect(Ok, status); /* replace with the same rectangle */ status = GdipCombineRegionRect(region, &rectf,CombineModeReplace); expect(Ok, status); status = GdipGetRegionDataSize(region, &needed); expect(Ok, status); expect(36, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); expect(Ok, status); expect(36, needed); expect_dword(buf, 28); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_RECT); /* replace with path */ status = GdipCreatePath(FillModeAlternate, &path); expect(Ok, status); status = GdipAddPathEllipse(path, 0.0, 0.0, 100.0, 250.0); expect(Ok, status); status = GdipCombineRegionPath(region, path, CombineModeReplace); expect(Ok, status); status = GdipGetRegionDataSize(region, &needed); expect(Ok, status); expect(156, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); expect(Ok, status); expect(156, needed); expect_dword(buf, 148); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_PATH); GdipDeletePath(path); /* replace with infinite rect */ status = GdipCreateRegion(®ion2); expect(Ok, status); status = GdipCombineRegionRegion(region, region2, CombineModeReplace); expect(Ok, status); status = GdipGetRegionDataSize(region, &needed); expect(Ok, status); expect(20, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); expect(Ok, status); expect(20, needed); expect_dword(buf, 12); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_INFINITE_RECT); GdipDeleteRegion(region2); /* more complex case : replace with a combined region */ status = GdipCreateRegionRect(&rectf, ®ion2); expect(Ok, status); status = GdipCreatePath(FillModeAlternate, &path); expect(Ok, status); status = GdipAddPathEllipse(path, 0.0, 0.0, 100.0, 250.0); expect(Ok, status); status = GdipCombineRegionPath(region2, path, CombineModeUnion); expect(Ok, status); GdipDeletePath(path); status = GdipCombineRegionRegion(region, region2, CombineModeReplace); expect(Ok, status); GdipDeleteRegion(region2); status = GdipGetRegionDataSize(region, &needed); expect(Ok, status); expect(180, needed); status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); expect(Ok, status); expect(180, needed); expect_dword(buf, 172); trace("buf[1] = %08x\n", buf[1]); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 2); expect_dword(buf + 4, CombineModeUnion); GdipDeleteRegion(region); }
todo_wine{ expect(10, point[3].Y); expect_dword(buf + 13, 0x81010100); /* closed */ } } GdipDeleteRegion(region); DeleteObject(hrgn); /* ellipse */ hrgn = CreateEllipticRgn(0, 0, 100, 10); status = GdipCreateRegionHrgn(hrgn, ®ion); todo_wine expect(Ok, status); status = GdipGetRegionDataSize(region, &needed); todo_wine{ expect(Ok, status); expect(216, needed); } status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed); todo_wine{ expect(Ok, status); expect(216, needed); expect_dword(buf, 208); expect_magic((DWORD*)(buf + 2)); expect_dword(buf + 3, 0); expect_dword(buf + 4, RGNDATA_PATH); expect_dword(buf + 5, 0x000000C0); expect_magic((DWORD*)(buf + 6)); expect_dword(buf + 7, 0x00000024);